EP0005911B1 - Dérivés analgésiques de 6-acylaminotétrahydro-1,3,5-triazine-2,4-dione, compositions pharmaceutiques les contenant et procédé pour leur préparation - Google Patents

Dérivés analgésiques de 6-acylaminotétrahydro-1,3,5-triazine-2,4-dione, compositions pharmaceutiques les contenant et procédé pour leur préparation Download PDF

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EP0005911B1
EP0005911B1 EP79300756A EP79300756A EP0005911B1 EP 0005911 B1 EP0005911 B1 EP 0005911B1 EP 79300756 A EP79300756 A EP 79300756A EP 79300756 A EP79300756 A EP 79300756A EP 0005911 B1 EP0005911 B1 EP 0005911B1
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formula
radical
compound
pharmaceutically acceptable
phenyl
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EP0005911A1 (fr
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Edward Douglas Brown
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Imperial Chemical Industries Ltd
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/38—Sulfur atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/04—Centrally acting analgesics, e.g. opioids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40—Nitrogen atoms
    • C07D251/42—One nitrogen atom
    • C07D251/46—One nitrogen atom with oxygen or sulfur atoms attached to the two other ring carbon atoms

Definitions

  • This invention concerns triazine derivatives and more particularly it concerns 6- acylaminotetrahydro-1,3,5-triazine-2,4-dione derivatives which possess analgesic properties.
  • certain of the compounds also possess anti-inflammatory properties and/or are inhibitors of the enzyme prostaglandin synthetase.
  • the invention accordingly provides a 6-acylaminotetrahydro-1,3,5-triazine-2,4-dione of the formula:- wherein R' is a phenyl or phenyl-(1-4C)alkyl radical optionally bearing one or two substituents independently selected from halogeno, trifluoromethyl, (1-4C)alkyl, (1-4C)alkoxy, methylenedioxy, (2-5C)alkanoyloxy, nitro, acetyl, cyano, phenyl, halogenophenyl, carboxy, [(1-4C)alkoxy]carbonyl, (3-6C)alkenyloxy, (2-8C)dialkylamino, and (1-4C)alkylthio substituents, a phenyl radical bearing three, four or five fluoro substituents, or a naphthyl, monocyclic or bicyclic heteroaromatic, or (monocyclic or bicyclic heteroaromatic)- (1-4C)al
  • those compounds of formula I wherein R I or R 2 contain an asymmetric carbon atom, for example those compounds wherein R' is a 1-(phenyl)ethyl radical, or wherein R 2 is 1-(phenyl)-ethyl or a sec-butyl radical, and can therefore be isolated in a racemic form or two optionally active forms.
  • Certain of the derivatives of formula I may exist in one or more different, discrete crystalline forms, that is they may exhibit the well known phenomenon of polymorphism, for example the derivatives in Examples 79 and 80.
  • the physical properties of a compound are particularly important when handling material on a large scale, for example during production, purification and formulation of such a compound. It is to be understood that this specification is addressed to compounds of formula I or pharmaceutically acceptable salts thereof as defined above, in any one solid form or a mixture of such forms; it being well known in the art how to determine the physical properties such as melting point and particle size of such forms.
  • R I when it is a phenyl- (1-4C)alkyl radical is, for example, a benzyl, 1-(phenyl)ethyl or 2-(phenyl)ethyl radical; and when it is a phenyl radical bearing three, four or five fluoro substituents is, for example, a 2,4,6-trifluoro-2,4,5,6-tetrafluoro- or 2,3,4,5,6-pentafluorophenyl radical.
  • R' when it is a monocyclic heteroaromatic radical is, for example, a fur-2-yl, fur-3-yl, thien-2-yl, thien-3-yl or pyrid-3-yl radical
  • R' when it is a bicyclic heteroaromatic radical is, for example, a quinolin-6-yl, benzthien-2-yl or benzthien-3-yl radical.
  • R I when it is a (monocyclic or bicyclic heteroaromatic)- (1-4C)alkyl radical is, for example, a (monocyclic or bicyclic heteroaromatic)-methyl, -1-ethyl or -2-ethyl radical in which the monocyclic or bicyclic heteroaromatic moiety is one of the values defined immediately above.
  • R 2 when it is a (3-8C)alkyl radical is, for example, an n-propyl, isopropyl, isobutyl, n-butyl, sec-butyl, n-pentyl, pent-2-yl, pent-3-yl or neopentyl radical.
  • a particular value for R 2 when it is a (3-8C)cycloalkyl radical is, for example, a cyclopropyl or cyclohexyl radical, and when it is a [(3-8C)cycloalkylj-(1-4C)alkyl radical is, for example, a cyclohexylmethyl radical.
  • R 2 when it is a (3-6C)alkenyl radical is, for example, an allyl or 2-methylallyl radical.
  • R 2 when it is a phenyl(1-4C)alkyl radical is, for example, a benzyl, 1-phenylethyl or 2-phenylethyl radical.
  • R 3 is, for example, a methyl, ethyl or propyl radical, of which values a methyl radical is especially preferred.
  • R' which are special interest are, for example:- phenyl, 2-chlorophenyl, 4-chlorophenyl, 4-fluorophenyl, 2,4-difluorophenyl, 2,3,4,5,6-pentafluorophenyl, 3-trifluoromethylphenyl, 2-methylphenyl, 3-methylphenyl, 4-methylphenyl, 4-ethylphenyl, 2,6-dimethylphenyl, 2-methoxyphenyl, 3-methoxyphenyl, 4-methoxyphenyl, 4- ethoxyphenyl, 3,4-methylendioxyphenyl, 4-acetoxyphenyl, 4-nitrophenyl, 4-cyanophenyl, 4-(4-chlorophenyl)phenyl, 4-carboxyphenyl, 4-(ethoxycarbonyl)phenyl, 4-allyloxyphenyl, 4-dimethylaminophenyl, 4-methylthiophenyl, benzyl, 1-(phenyl
  • R 2 when it is a substituted (1-4C)alkyl radical is, for example, a substituted methyl, ethyl or propyl radical.
  • R' are, for example, when it is a phenyl radical optionally bearing a halogeno, (1-4C)alkyl, (1-4C)alkoxy or trifluoromethyl substituent, and when it is a thien-2-yl radical.
  • Preferred groups of compounds of formula I comprise those compounds of formula I wherein:-R 2 is an isopropyl, isobutyl, sec-butyl or a pent-3-yl radical, R' has any of the above defined general or particular values, and R 3 is a methyl radical; together with the pharmaceutically acceptable base-addition salts thereof.
  • a particular pharmaceutically acceptable base-addition salt of a compound of formula I is, for example, an alkali metal or alkaline earth metal salt, for example a sodium, potassium, calcium or magnesium salt, an aluminium salt, for example an aluminium hydroxide di-salt, a copper salt or a complex therewith, or a salt with an organic base affording a pharmaceutically acceptable cation, for example triethanolamine or benzylamine.
  • an alkali metal or alkaline earth metal salt for example a sodium, potassium, calcium or magnesium salt
  • an aluminium salt for example an aluminium hydroxide di-salt, a copper salt or a complex therewith
  • a salt with an organic base affording a pharmaceutically acceptable cation for example triethanolamine or benzylamine.
  • a particular pharmaceutically acceptable acid-addition salt of a compound of formula I is, for example, a salt with an inorganic acid, for example, a hydrochloride, hydrobromide or sulphate salt, or a salt with an organic acid affording a pharmaceutically acceptable anion, for example an acetate or citrate salt.
  • the compounds of formula I may be obtained by any process applicable to the manufacture of chemically analogous compounds. Such processes are provided as a further feature of the invention and are illustrated by the following in which R 1 , R 2 and R 3 have any of the values defined hereinbefore:-(a)
  • R 1 , R 2 and R 3 have any of the values defined hereinbefore:-(a)
  • R 1 does not bear a carboxy substituent
  • a compound of the formula:- wherein R 2 has the meaning defined above and Q has the same value as R I other than carboxyphenyl and (carboxyphenyl)- (1 ⁇ 4C)alkyl radicals is reacted with an acylating agent derived from an acid of the formula R 3 CO 2 H.
  • a suitable acylating agent is, for example, an acid chloride, acid bromide, anhydride or mixed anhydride with formic acid, derived from an acid of the formula R 3 CO 2 H, for example acetyl chloride, acetyl bromide, acetic anhydride, propionic anhydride or butyric anhydride.
  • the process may be carried out in the presence of a suitable diluent or solvent, for example a hydrocarbon, for example toluene or xylene, and an excess of acylating agent is preferably used, and may conveniently serve as diluent or solvent.
  • a suitable diluent or solvent for example a hydrocarbon, for example toluene or xylene
  • an excess of acylating agent is preferably used, and may conveniently serve as diluent or solvent.
  • the process may be carried out at a temperature in the range, for example, 60-200°C., but is preferably carried out in the range 100-160°C.
  • the starting materials of formula II may conveniently be obtained as illustrated in the Examples hereinafter by reaction of an amine of the formula R 2.
  • NH 2 with a 6-alkylthio-1,3,5-triazine derivative of the formula:- wherein Q has the meaning defined above and R 4 is a (1-4C)alkyl radical, for example a methyl radical.
  • R 4 is a (1-4C)alkyl radical, for example a methyl radical.
  • the amine of the formula R 2 ⁇ NH 2 is conveniently used in the form of its salt with a C 1-4 - alkanoic acid, for example in the form of its acetate salt, and the reaction is preferably carried out at a temperature in the range 100 ⁇ 250°C.
  • the starting materials of formula II wherein Q is a phenyl radical bearing a hydroxy radical may be obtained by dealkylation of the corresponding (1-4C)alkoxy derivative, for example by reaction with hydrobromic acid at a temperature of 50-150°C.
  • 6-alkylthio starting materials of formula III may themselves be obtained by known standard procedures for the synthesis of analogous 1,3,5-triazine-2,4-diones, for example, from the appropriate isocyanates according to the following scheme:
  • the starting material may conveniently be a compound of formula II wherein Q is a phenyl radical bearing a hydroxy substituent, since both O- and N- acetylation of such a compound occurs during the reaction.
  • the rearrangement generally requires elevated temperature, for example 30-200°C., but in some cases occurs at room temperature, for example at 15-28°C.
  • the process may optionally be carried out in the presence of a high boiling inert diluent or solvent, for example xylene.
  • the hydrolysis is preferably carried out under mild conditions which do not result in hydrolysis of the 6-acylamino radical.
  • the process may therefore conveniently be carried out in a water-miscible solvent, for example ethanol, 2-propanol, tetrahydrofuran or 1,2-dimethoxyethane, in the presence of water at a temperature in the range, for example, 15-30°C.
  • the starting materials of formula V may be obtained by acylation of the appropriate compound of formula II but wherein Q is a carboxyphenyl or (carboxyphenyl)- (1 ⁇ 4C)alkyl radical using process (a) hereinabove.
  • a compound of formula I is reacted with a suitable base affording a pharmaceutically acceptable cation in a conventional manner.
  • a pharmaceutically acceptable acid-addition salt is required, a compound of formula I wherein R I is a radical bearing a (2-8C)dialkylamino radical is reacted with a suitable acid affording a pharmaceutically acceptable anion in a conventional manner.
  • the analgesic properties of the compounds of formula I may be demonstrated in a standard test measuring the inhibition of writhing in mice induced by an intra-peritoneal injection of acetylcholine, using the procedure of Hackett and Buckett (European J. Pharmacology, 1975, 30, 280).
  • compounds of formula I show significant activity in this test at an oral dose of 50 mg./kg., or less; without any overt toxic effects at the active dose, and preferred compounds of formula I show significant activity at an oral dose of 5 mg./kg. or much less.
  • the analgesic properties of the compounds of formula I may be demonstrated in a standard test involving measurement of inhibition of pain induced by pressure on the foot of a rat into which yeast has previously been injected, based on the procedure of Randall and Selitto (Arch.int.pharmacodyn. 1957, 111, 409).
  • compounds of formula I generally show significant activity at an oral dose of 200 mg./kg. or much less without any overt toxic effects at the active dose.
  • Certain of the compounds of formula I also possess the property of inhibiting the enzyme prostaglandin synthetase. This property may be demonstrated in a standard in vitro test which involves the use of prostaglandin synthetase isolated from the ram seminal vesicle. Those compounds of formula I which inhibit prostaglandin synthetase, in general do so at an in vitro concentration of 10- 4 M or much less, for example, at 10 -6 M. It is known that inhibitors of prostaglandin synthetase, for example indomethacin or flufenamic acid, are clinically effective in the treatment of adverse conditions associated with abnormally high tissue levels of prostaglandins, for example dysmenorrhoea or menorrhagia.
  • the compounds of the invention When used to produce the aforementioned pharmacological effects in warm blooded animals the compounds of the invention may be administered as follows:-
  • the above total daily doses may conveniently be given in divided, but not necessarily equal, doses.
  • compositions which comprises a compound of formula I or a pharmaceutically acceptable salt thereof as defined hereinbefore, together with a pharmaceutically acceptable diluent or carrier.
  • the pharmaceutical composition may be obtained by conventional means using conventional diluents and carriers, and may be in a form suitable for oral administration, for example, in the form of a tablet, capsule, syrup or elixir; or for parenteral administration, for example, in the form of a sterile injectable aqueous suspension or oiiy solution or suspension; or for rectal administration, for example, in the form of a suppository; or for vaginal administration, for example, in the form of a tampon or pessary.
  • Convenient dosage unit forms of a composition may contain, for example, 5, 10, 50, 100 or 200 mg. of an active ingredient of formula I or a salt thereof as defined above.
  • compositions administered to obtain analgesic or anti-inflammatory effects may also contain one or more other agents which can have a beneficial effect on the disease or on associated conditions, for example acetyl salicylic acid, paracetamol, dextropropoxyphene, codeine, chloroquine, phenylbutazone, D-penicillamine, indomethacin, ibuprofen, ketoprofen, naproxen, sulindac, an anti-inflammatory steroid, for example prednisolone, an organogold derivative, or a uricosuric agent, for example probenecid.
  • agents which can have a beneficial effect on the disease or on associated conditions for example acetyl salicylic acid, paracetamol, dextropropoxyphene, codeine, chloroquine, phenylbutazone, D-penicillamine, indomethacin, ibuprofen, ketoprofen, naproxen, sulindac, an anti-inflammatory steroid, for
  • the starting material was obtained as follows:-
  • Methyl N-[1-(amino)-1-(methyithio)methyiene]carbamate (14.8 g.) was dissolved in methylene chloride (150 ml.). 3-Trifluoromethylphenyl isocyanate (18.7 g.) was added to the solution during 5 minutes and the mixture was stirred at room temperature for 2.5 hours. A freshly prepared solution of sodium (2.3 g.) in methanol (20 ml.) was then added during 5 minutes and the subsequent mixture was stirred at room temperature for 16 hours. The mixture was then evaporated and the residue was dissolved in water (400 ml.).
  • n-Butylamine (3.92 ml.) was added during 15 minutes to stirred acetic acid (2.4 ml.). After 30 minutes at room temperature, 3-(3-trifluoromethylphenyl)-6-methylthio-tetrahydro-1,3,5-triazine-2,4-dione (6.1 g.) was added to the acetic acid solution. The mixture obtained was then heated at 145°C. for 4 hours. (The liberated methylmercaptan was absorbed into a trap containing an excess of aqueous sodium hydroxide and sodium hypochlorite.) The reaction mixture was cooled to room temperature and then water (75 ml.) was added.
  • the starting material was obtained as follows:
  • Isobutylamine (1.60 g.) was added to acetic acid (1.20 g.) at 20-25°C. during 15 minutes.
  • 3-(4-Methylphenyl)-6-methylthiotetrahydro-1,3,5-triazine-2,4-dione (4.98 g.) was then added, and the whole mixture stirred at 120-125°C. for 5 hours and then cooled. Water (50 ml.) was added and the mixture stirred thoroughly.
  • the starting material was obtained as follows:-
  • Ketene gas [generated by pyrolysis of acetone at 600-700°C. using an apparatus based on that described by Williams and Hurd, J. Org. Chem., 1946, 5, 122-125] was bubbled into a stirred suspension of 3 - (4 - methylphenyl) - 6 - isobutylaminotetrahydro - 1,3,5 - triazine - 2,4 - dione (2.0 g) in methylene chloride (100 ml.) during 50 minutes, to give 1 - acetyl - 3 - (4 - methylphenyl) - 6 - (isobutylamino)tetrahydro - 1,3,5 - triazine - 2,4 - dione in situ.
  • Example 97 or 98 may be repeated using as active ingredient another compound of formula I or a pharmaceutically acceptable salt thereof, for example as specified in any one of the preceding Examples.

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Claims (11)

1. 6-acylamino-tétrahydro-1,3,5-triazine-2,4-dione de formule:
Figure imgb0029
dans laquelle R1 est un radical phényle ou phényl-(àlkyle en C1 à C4), portant éventuellement un ou deux substituants choisis indépendamment entre des substituants halogéno, trifluorométhyle, alkyle en C1 à C4, alkoxy en C1 à C4, méthylènedioxy, alcanoyloxy en C2 à C5, nitro, acétyle, cyano, phényle, halogénophényle, carboxy, (alkoxy en C1 à C4)-carbonyle, alcényloxy en C3 à C6, dialkylamino en C2 à C8 et alkylthio en C1 à C4, un radical phényle portant trois, quatre ou cinq substituants fluoro, ou un radical naphtyle, hétéroaromatique monocyclique ou bicyclique, ou (hétéro-aromatique monocyclique ou bicyclique)-alkyle en C1 à C4 portant éventuellement un substituant choisi entre des substituants halogéno, alkyle en C1 à C4 et alkoxy en C1 à C4; et R2 est un radical alkyle en C3 à C8 ou un radical alkyle en C1 à C4 portant un ou deux substituants alkoxy en C1 à C4 ou portant un substituant 1,3-dioxalanyle, tétrahydrofuryle ou tétrahydropyrannyle, ou est un radical cycloalkyle en C3 à C8, (cycloalkyle en C3 à C8)-alkyle en C1 à C4, alcényle en C3 à C6, ou est un radical phényl-(alkyle en C1 à C4) ou phényle portant éventuellement un substituant choisi entre des substituants halogéno, trifluorométhyle, alkyle en C1 à C4 et alkoxy en C1 à G4; et R3 est un radical alkyle en C1 à C4; ou un sel d'addition de base pharmaceutiquement acceptable de ce composé; ou bien lorsque R1 est un radical portant un substituant dialkylamino en C2 à C8, un sel d'addition d'acide pharmaceutiquement acceptable de ce composé.
2. Composé de formule I suivant la revendication 1, dans laquel R1 est un radical phényle, benzyle, 1-(phényl)-éthyle ou 2-(phényl)-éthyle portant éventuellement un ou deux substituents choisis indépendamment entre des substituants fluoro, chloro, bromo, trifluorométhyle, méthyle, éthyle, méthoxy, éthoxy, méthylènedioxy, acétoxy, propionyloxy, butyryloxy, nitro, acétyle, cyano, phényle, chlorophényle, carboxy, méthoxycarbonyle, éthoxycarbonyle, allyloxy, diméthylamino, diéthylamino et méthylthio, un radical 2,4,6-trifluoro-, 2,4,5,6-tétrafluoro- ou 2,3,4,5,6-pentafluoro-phényle, ou un radical naphtyle, fur-2-yle, fur-3-yle, thién-2-yle, thién-3-yle, pyrid-3-yie, quinolin-6-yle, benzthién-2- yle ou benzthién-3-yle ou un radical (fur-2-yl-, fur-3-yl-, thién-2-yl-, thién-3-yl-, pyrid-3-yl, quinolin-6-yl-, benzthién-2-yl- ou benzthién-3-yl)-méthyle, -1-éthyle ou -2-éthyle portant éventuellement un substituant choisi entre des radicaux fluoro, chloro, bromo, méthyle, éthyle, méthoxy et éthoxy; et R2 est un radical isopropyle, n-propyle, isobutyle, n-butyle, sec.-butyle, n-pentyle, pent-2-yle, pent-3-yle ou néopentyle, ou un radical méthyle ou éthyle portant un ou deux substituants méthoxy ou éthoxy, ou portant un radical 1,3-dioxalan-2-yle, tétrahydrofur-2-yle, tétrahydropyrann-2-yle ou tétra- hydropyrann-3-yle, ou bien R2 est un radical cyclopropyle, cyclohexyle, cyclohexylméthyle, allyle, 2-méthylallyle, ou un radical benzyle, 1 -phényléthyle, 2-phényléthyle ou phényle portant éventuellement un substituant choisi entre des substituants fluoro, chloro, bromo, trifluorométhyle, méthyle, éthyle, méthoxy et éthoxy; et R3 est un radical méthyle, éthyle ou propyle.
3. Composé de formule I suivant la revendication 1 ou 2, dans laquel R1 est un radical phényle, 2-chlorophényle, 4-chlorophényle, 4-fluorophényle, 2,4-difluorophényle, 2,3,4,5,6-pentafluorophényle 3-trifluorométhylphényle, 2-méthylphényle, 3-méthylphényle, 4-méthylphényle, 4-éthylphényle, 2,6-diméthylphényle, 2-méthoxyphényle, 3-méthoxyphényle, 4-méthoxyphényle, 4-éthoxyphényle, 3,4-méthylènedioxyphényle, 4-acétoxyphényle, 4-nitrophényle, 4-cyanophényle, 4-(4-chlorophényl)-phényle, 4-carboxyphényle, 4-(éthoxycarbonyl)-phényle, 4-allyloxyphényle, 4-diméthylaminophényle, 4-méthylthiophényle, benzyle, 1-(phényl)-éthyle, 4-méthoxybenzyle, napht-2-yie, fur-2-yle, thién-2-yle thién-3-yle, 2-chloropyrid-3-yle, quinol-6-yle, (thién-2-yl)-méthyle, (fur-2-yl)-méthyle ou benzthién-2- yle.
4. Composé de formule I suivant l'une quelconque des revendiations précédentes, dans lequel R1 est un radical phényle portant éventuellement un substituant choisi entre des substituants halogéno, alkyle en CI à C4, alkoxy en C1 à C4 et trifluorométhyle, ou est un radical thién-2-yie.
5. Composé suivant l'une quelconque des revendications précédentes, dans lequel R2 est un radical isopropyle, isobutyle, sec.-butyle, pent-3-yle et R3 est un radical méthyle.
6. Composé de formule 1 suivant la revendication 1, choisi entre la 3-(thién-2-yl)-6-[(N-acétyl)-pent-3-yl-amino]-tétrahydro-1,3,5-triazine-2,4-dione, la 3-(thién-2-yl)-6-[(N-acétyl)-isobutylamino]-tétrahydro-1,3,5-triazine-2,4-dione, la 3-(4-méthylphényl)-6-[(N-acétyl)-isobutylamino]-tétrahydro-1,3,5-triazine-2,4-dione, la 3-(4-méthoxyphényl)-6-[(N-acétyl)-isobutylamino]-tétrahydro-1,3,5-triazine-2,4-dione et leurs sels d'addition de bases pharmaceutiquement acceptables.
7. Un sel d'addition de base d'un composé de formule I suivant l'une quelconque des revendications précédentes, qui est un sel de métal alcalin, de métal alcalino-terreux ou d'aluminium, un sel de cuivre ou un complexe formé avec lui, ou un sel d'une base organique fournissant un cation pharmaceutiquement acceptable.
8. Procédé de production d'un composé de formule I ou d'un sel pharmaceutiquement acceptable de ce composé comme défini dans l'une quelconque des revendications précédentes et dans lequel RI, R2 et R3 ont les valeurs indiquées dans l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un composé de formule:
Figure imgb0030
est transposé puis, lorsqu'un sel d'addition de base pharmaceutiquement acceptable est désiré, un composé de formule 1 est amené à réagir avec une base convenable fournissant un cation pharmaceutiquement acceptable d'une manière classique; et lorsqu'un sel d'addition d'acide pharmaceutiquement acceptable d'un composé de formule I dans laquelle R1 porte un substituant dialkylamino en C2 à C8 est désiré, un composé de ce type est amené à réagir avec un acide donnant un anion pharmaceutiquement acceptable d'une manière classique.
9. Composition pharmaceutique qui comprend un composé de formule I ou un sel pharmaceutiquement acceptable de ce composé comme défini dans l'une quelconque des revendications 1 à 7, en association avec un diluant ou support pharmaceutiquement acceptable.
10. Procédé de production d'un composé de formule I, ou d'un sel pharmaceutiquement acceptable de ce composé comme défini dans l'une quelconque des revendications 1 à 7, et dans lequel RI, R2 et R3 ont les valeurs indiquées dans l'une quelconque des revendications 1 à 4, à condition que R1 ne porte pas un substituant carboxy, caractérisé en ce qu'un composé de formule:
Figure imgb0031
dans laquelle Q a la même valeur que R1 autre qu'un radical carboxyphényle ou (carboxyphényl)-alkyle en C1 à C4, est amené à réagir avec un agent acylant dérivé d'un acide de formule R3CO2H; puis, lorsqu'un sel d'addition de base pharmaceutiquement acceptable est désiré, un composé de formule I est amené à réagir avec une base convenable fournissant un cation pharmaceutiquement acceptable d'une manière classique; et lorsqu'un sel d'addition d'acide pharmaceutiquement acceptable du composé de formule I dans laquelle R1 porte un substituant dialkylamino en C2 à C8 est désiré, un tel composé est amené à réagir avec une acide fournissant un anion pharmaceutiquement acceptable d'une manière classique.
11. Procédé de production d'un composé de formule I ou d'un sel pharmaceutiquement acceptable de ce composé comme défini dans l'une quelconque des revendications 1 à 7 et dans lequel RI, R2 et R3 ont les valeurs indiquées dans l'une quelconque des revendications 1 à 4, à condition que R1 porte un substituant carboxy; caractérisé en ce qu'un anhydride de formule:
Figure imgb0032
dans laquelle A est un radical alkylène en C, à C4 ou une liaison directe, est hydrolysé; puis, lorsqu'un sel d'addition de base pharmaceutiquement acceptable est désiré, un composé de formule I est amené à réagir avec une base convenable fournissant un cation pharmaceutiquement acceptable d'une manière classique; et lorsqu'un sel d'addition d'acide pharmaceutiquement acceptable d'un composé de formule I dans laquelle R1 porte un substituant dialkylamino en C2 à C8 est désiré, un composé de ce type est amené à réagir avec un acide fournissant un anion pharmaceutiquement acceptable, d'une manière classique.
EP79300756A 1978-05-26 1979-05-02 Dérivés analgésiques de 6-acylaminotétrahydro-1,3,5-triazine-2,4-dione, compositions pharmaceutiques les contenant et procédé pour leur préparation Expired EP0005911B1 (fr)

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AT79300756T ATE698T1 (de) 1978-05-26 1979-05-02 Analgetische 6-acylaminot etrahydro-1,3,5-triazin-2,4-dion-derivate, sie enthaltende pharmazeutische zusammensetzungen und verfahren zu ihrer herstellung.

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US6348216B1 (en) * 1996-06-10 2002-02-19 Knoll Pharmaceutical Company Ibuprofen and narcotic analgesic compositions
US6361794B1 (en) 1996-06-12 2002-03-26 Basf Corporation Method of making ibuprofen and narcotic analgesic composition
WO1998049150A1 (fr) * 1997-04-25 1998-11-05 Takeda Chemical Industries, Ltd. Derives de triazine, production de ces produits et composition agrochimique
US6335339B1 (en) 1998-01-13 2002-01-01 Scriptgen Pharmaceuticals, Inc. Triazine antiviral compounds
EP1494715A1 (fr) * 2002-04-17 2005-01-12 Medical Research Council Antagonistes du recepteur fp ou antagonistes de pgf2 alpha destines au traitement de la menorragie
WO2005013947A2 (fr) * 2003-07-29 2005-02-17 Universitätsklinikum Münster Moyens et procedes de traitement d'une maladie liee a un exces de transport de l'hyaluronane a travers la bicouche lipidique
US7199156B2 (en) * 2003-10-10 2007-04-03 Milos Chvapil Composition and method to treat solid tumors
TW200517114A (en) * 2003-10-15 2005-06-01 Combinatorx Inc Methods and reagents for the treatment of immunoinflammatory disorders
US20080003213A1 (en) * 2006-05-22 2008-01-03 Jan Lessem Methods and compositions for the treatment of diseases or conditions associated with increased C-reactive protein, interleukin-6, or interferon-gamma levels
US20090075955A1 (en) * 2007-09-19 2009-03-19 Combinatorx, Inc. Therapeutic regimens for the treatment of immunoinflammatory disorders
AU2008338980A1 (en) * 2007-12-17 2009-06-25 Zalicus Inc. Therapeutic regimens for the treatment of immunoinflammatory disorders
MX2011008362A (es) 2009-02-13 2011-08-24 Shionogi & Co Derivado novedoso de triazina y composicion farmaceutica que comprende el mismo.
JP6075621B2 (ja) 2010-08-10 2017-02-08 塩野義製薬株式会社 新規複素環誘導体およびそれらを含有する医薬組成物
CA2807947C (fr) * 2010-08-10 2018-06-19 Shionogi & Co., Ltd. Derive de triazine et composition pharmaceutique presentant une activite analgesique a teneur en derive de triazine
US9550763B2 (en) 2012-02-09 2017-01-24 Shionogi & Co., Ltd. Heterocyclic ring and carbocyclic derivative
TWI637949B (zh) 2013-06-14 2018-10-11 塩野義製藥股份有限公司 胺基三衍生物及含有其等之醫藥組合物
WO2022162689A1 (fr) * 2021-01-26 2022-08-04 Council Of Scientific And Industrial Research Système d'auto-assemblage à base de triazine

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GB1599518A (en) * 1977-02-21 1981-10-07 Ici Ltd 1,3,5-triazine-2,6-diones and pharmaceutical compositions thereof

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DE2962124D1 (en) 1982-03-25
CA1108138A (fr) 1981-09-01
MW1379A1 (en) 1981-04-08
FI66180B (fi) 1984-05-31
ZW9179A1 (en) 1981-01-21
GR68185B (fr) 1981-11-09
PT69650A (en) 1979-06-01
DK213179A (da) 1979-11-27
FI791670A (fi) 1979-11-27
ATE698T1 (de) 1982-03-15
AU4694979A (en) 1979-11-29
ZA792247B (en) 1980-05-28
EP0005911A1 (fr) 1979-12-12
NZ190402A (en) 1982-05-31
AU529948B2 (en) 1983-06-30
FI66180C (fi) 1984-09-10
HU180252B (en) 1983-02-28
IE49170B1 (en) 1985-08-21
IL57324A0 (en) 1979-09-30
JPS54154779A (en) 1979-12-06
CS213377B2 (en) 1982-04-09
ZM4579A1 (en) 1981-05-21
IL57324A (en) 1983-10-31
PH14793A (en) 1981-12-09
ES480932A1 (es) 1980-02-01
NO791722L (no) 1979-11-27
DD143906A5 (de) 1980-09-17
US4254122A (en) 1981-03-03

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